regex-package	regex
%c%	Concatenation
%R%	Concatenation
%|%	or
ADDITIONAL_ARROWS	Unicode
additional_arrows	Unicode
AEGEAN_NUMBERS	Unicode
aegean_numbers	Unicode
ALCHEMICAL_SYMBOLS	Unicode
alchemical_symbols	Unicode
ALNUM	CharacterClasses
alnum	ClassGroups
ALPHA	CharacterClasses
alpha	ClassGroups
ALPHABETIC_PRESENTATION_FORMS	Unicode
alphabetic_presentation_forms	Unicode
AM_PM	DateTime
Anchors	Anchors
ANCIENT_GREEK_MUSICAL_NOTATION	Unicode
ancient_greek_musical_notation	Unicode
ANCIENT_GREEK_NUMBERS	Unicode
ancient_greek_numbers	Unicode
ANCIENT_SYMBOLS	Unicode
ancient_symbols	Unicode
ANY_CHAR	CharacterClasses
any_char	ClassGroups
ARABIC	Unicode
arabic	Unicode
ARABIC_EXTENDED_A	Unicode
arabic_extended_a	Unicode
ARABIC_MATHEMATICAL_ALPHANUMERIC_SYMBOLS	Unicode
arabic_mathematical_alphanumeric_symbols	Unicode
ARABIC_PRESENTATION_FORMS_A	Unicode
arabic_presentation_forms_a	Unicode
ARABIC_PRESENTATION_FORMS_B	Unicode
arabic_presentation_forms_b	Unicode
ARABIC_SUPPLEMENT	Unicode
arabic_supplement	Unicode
ARMENIAN	Unicode
armenian	Unicode
ARMENIAN_LIGATURES	Unicode
armenian_ligatures	Unicode
as.perl_regex	as.regex
as.regex	as.regex
ASCII_ALNUM	CharacterClasses
ascii_alnum	ClassGroups
ASCII_ALPHA	CharacterClasses
ascii_alpha	ClassGroups
ASCII_DIGIT	CharacterClasses
ascii_digit	ClassGroups
ASCII_LOWER	CharacterClasses
ascii_lower	ClassGroups
ASCII_UPPER	CharacterClasses
ascii_upper	ClassGroups
AVESTAN	Unicode
avestan	Unicode
Backreferences	Backreferences
BACKSLASH	SpecialCharacters
BALINESE	Unicode
balinese	Unicode
BAMUN	Unicode
bamun	Unicode
BAMUN_SUPPLEMENT	Unicode
bamun_supplement	Unicode
BASSA_VAH	Unicode
bassa_vah	Unicode
BATAK	Unicode
batak	Unicode
BENGALI_AND_ASSAMESE	Unicode
bengali_and_assamese	Unicode
BLANK	CharacterClasses
blank	ClassGroups
BLOCK_ELEMENTS	Unicode
block_elements	Unicode
BOPOMOFO	Unicode
bopomofo	Unicode
BOPOMOFO_EXTENDED	Unicode
bopomofo_extended	Unicode
BOUNDARY	WordBoundaries
BOX_DRAWING	Unicode
box_drawing	Unicode
BRAHMI	Unicode
brahmi	Unicode
BRAILLE_PATTERNS	Unicode
braille_patterns	Unicode
BUGINESE	Unicode
buginese	Unicode
BUHID	Unicode
buhid	Unicode
BYZANTINE_MUSICAL_SYMBOLS	Unicode
byzantine_musical_symbols	Unicode
capture	capture
CARD_SUITS	Unicode
card_suits	Unicode
CARET	SpecialCharacters
CARIAN	Unicode
carian	Unicode
CAUCASIAN_ALBANIAN	Unicode
caucasian_albanian	Unicode
CENTURY	DateTime
CHAKMA	Unicode
chakma	Unicode
CHAM	Unicode
cham	Unicode
CharacterClasses	CharacterClasses
char_class	char_class
char_range	ClassGroups
CHEROKEE	Unicode
cherokee	Unicode
CHESS_CHECKERS_DRAUGHTS	Unicode
chess_checkers_draughts	Unicode
CJK_COMPATIBILITY	Unicode
cjk_compatibility	Unicode
CJK_COMPATIBILITY_FORMS	Unicode
cjk_compatibility_forms	Unicode
CJK_COMPATIBILITY_IDEOGRAPHS	Unicode
cjk_compatibility_ideographs	Unicode
CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT	Unicode
cjk_compatibility_ideographs_supplement	Unicode
CJK_IDEOGRAPHIC_DESCRIPTION_CHARACTERS	Unicode
cjk_ideographic_description_characters	Unicode
CJK_STROKES	Unicode
cjk_strokes	Unicode
CJK_SYMBOLS_AND_PUNCTUATION	Unicode
cjk_symbols_and_punctuation	Unicode
CJK_UNIFIED_IDEOGRAPHS	Unicode
cjk_unified_ideographs	Unicode
CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A	Unicode
cjk_unified_ideographs_extension_a	Unicode
CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B	Unicode
cjk_unified_ideographs_extension_b	Unicode
CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C	Unicode
cjk_unified_ideographs_extension_c	Unicode
CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D	Unicode
cjk_unified_ideographs_extension_d	Unicode
ClassGroups	ClassGroups
CLOSE_PAREN	SpecialCharacters
CNTRL	CharacterClasses
cntrl	ClassGroups
COMBINING_DIACRITIC_EXTENDED	Unicode
combining_diacritic_extended	Unicode
COMBINING_DIACRITIC_MARKS	Unicode
combining_diacritic_marks	Unicode
COMBINING_DIACRITIC_MARKS_FOR_SYMBOLS	Unicode
combining_diacritic_marks_for_symbols	Unicode
COMBINING_DIACRITIC_SUPPLEMENT	Unicode
combining_diacritic_supplement	Unicode
COMBINING_HALF_MARKS	Unicode
combining_half_marks	Unicode
COMMON_INDIC_NUMBER_FORMS	Unicode
common_indic_number_forms	Unicode
Concatenation	Concatenation
CONTROL_PICTURES	Unicode
control_pictures	Unicode
COPTIC	Unicode
coptic	Unicode
COPTIC_EPACT_NUMBERS	Unicode
coptic_epact_numbers	Unicode
COUNTING_ROD_NUMERALS	Unicode
counting_rod_numerals	Unicode
CUNEIFORM	Unicode
cuneiform	Unicode
CUNEIFORM_NUMBERS_AND_PUNCTUATION	Unicode
cuneiform_numbers_and_punctuation	Unicode
CURRENCY_SYMBOLS	Unicode
currency_symbols	Unicode
CYPRIOT_SYLLABARY	Unicode
cypriot_syllabary	Unicode
CYRILLIC	Unicode
cyrillic	Unicode
CYRILLIC_EXTENDED_A	Unicode
cyrillic_extended_a	Unicode
CYRILLIC_EXTENDED_B	Unicode
cyrillic_extended_b	Unicode
CYRILLIC_SUPPLEMENT	Unicode
cyrillic_supplement	Unicode
DateTime	DateTime
datetime	DateTime
DAY	DateTime
DAY_OF_YEAR	DateTime
DAY_SINGLE	DateTime
DESERET	Unicode
deseret	Unicode
DEVANAGARI	Unicode
devanagari	Unicode
DEVANAGARI_EXTENDED	Unicode
devanagari_extended	Unicode
DGT	CharacterClasses
dgt	ClassGroups
DIGIT	CharacterClasses
digit	ClassGroups
DINGBATS	Unicode
dingbats	Unicode
DMY	DateTime
DOLLAR	SpecialCharacters
DOMINO_TILES	Unicode
domino_tiles	Unicode
DOT	SpecialCharacters
DTSEP	DateTime
DUPLOYAN	Unicode
duployan	Unicode
DYM	DateTime
EGYPTIAN_HIEROGLYPHS	Unicode
egyptian_hieroglyphs	Unicode
ELBASAN	Unicode
elbasan	Unicode
EMOTICONS	Unicode
emoticons	Unicode
ENCLOSED_ALPHANUMERICS	Unicode
enclosed_alphanumerics	Unicode
ENCLOSED_ALPHANUMERIC_SUPPLEMENT	Unicode
enclosed_alphanumeric_supplement	Unicode
ENCLOSED_CJK_LETTERS_AND_MONTHS	Unicode
enclosed_cjk_letters_and_months	Unicode
ENCLOSED_IDEOGRAPHIC_SUPPLEMENT	Unicode
enclosed_ideographic_supplement	Unicode
END	Anchors
escape_special	escape_special
ETHIOPIC	Unicode
ethiopic	Unicode
ETHIOPIC_EXTENDED	Unicode
ethiopic_extended	Unicode
ETHIOPIC_EXTENDED_A	Unicode
ethiopic_extended_a	Unicode
ETHIOPIC_SUPPLEMENT	Unicode
ethiopic_supplement	Unicode
exactly	exactly
FLOORS_AND_CEILINGS	Unicode
floors_and_ceilings	Unicode
format.perl_regex	regex
format.regex	format.regex
FRACTIONAL_SECOND	DateTime
FULLWIDTH_ASCII_DIGITS	Unicode
fullwidth_ascii_digits	Unicode
FULLWIDTH_ASCII_PUNCTUATION	Unicode
fullwidth_ascii_punctuation	Unicode
GENERAL_PUNCTUATION	Unicode
general_punctuation	Unicode
GEOMETRIC_SHAPES	Unicode
geometric_shapes	Unicode
GEOMETRIC_SHAPES_EXTENDED	Unicode
geometric_shapes_extended	Unicode
GEORGIAN	Unicode
georgian	Unicode
GEORGIAN_SUPPLEMENT	Unicode
georgian_supplement	Unicode
get_months	get_weekdays
get_weekdays	get_weekdays
GLAGOLITIC	Unicode
glagolitic	Unicode
GOTHIC	Unicode
gothic	Unicode
GRANTHA	Unicode
grantha	Unicode
GRAPH	CharacterClasses
graph	ClassGroups
GREEK_AND_COPTIC	Unicode
greek_and_coptic	Unicode
GREEK_EXTENDED	Unicode
greek_extended	Unicode
group	capture
GUJARATI	Unicode
gujarati	Unicode
GURMUKHI	Unicode
gurmukhi	Unicode
HALFWIDTH_AND_FULLWIDTH_FORMS	Unicode
halfwidth_and_fullwidth_forms	Unicode
HANGUL_COMPATIBILITY_JAMO	Unicode
hangul_compatibility_jamo	Unicode
HANGUL_JAMO	Unicode
hangul_jamo	Unicode
HANGUL_JAMO_EXTENDED_A	Unicode
hangul_jamo_extended_a	Unicode
HANGUL_JAMO_EXTENDED_B	Unicode
hangul_jamo_extended_b	Unicode
HANGUL_SYLLABLES	Unicode
hangul_syllables	Unicode
HANUNOO	Unicode
hanunoo	Unicode
HEBREW	Unicode
hebrew	Unicode
HEX_DIGIT	CharacterClasses
hex_digit	ClassGroups
HIRAGANA	Unicode
hiragana	Unicode
HM	DateTime
HMS	DateTime
HOUR12	DateTime
HOUR12_SINGLE	DateTime
HOUR24	DateTime
HOUR24_SINGLE	DateTime
IMPERIAL_ARAMAIC	Unicode
imperial_aramaic	Unicode
INVISIBLE_OPERATORS	Unicode
invisible_operators	Unicode
IPA_EXTENSIONS	Unicode
ipa_extensions	Unicode
is.perl_regex	as.regex
is.regex	as.regex
ISO_DATE	DateTime
iso_date	ClassGroups
ISO_DATETIME	DateTime
iso_datetime	ClassGroups
ISO_TIME	DateTime
iso_time	ClassGroups
JAPANESE_CHESS	Unicode
japanese_chess	Unicode
JAVANESE	Unicode
javanese	Unicode
KAITHI	Unicode
kaithi	Unicode
KANA_SUPPLEMENT	Unicode
kana_supplement	Unicode
KANBUN	Unicode
kanbun	Unicode
KANGXI_RADICALS	Unicode
kangxi_radicals	Unicode
KANGXI_RADICALS_SUPPLEMENT	Unicode
kangxi_radicals_supplement	Unicode
KANNADA	Unicode
kannada	Unicode
KATAKANA	Unicode
katakana	Unicode
KATAKANA_PHONETIC_EXTENSIONS	Unicode
katakana_phonetic_extensions	Unicode
KAYAH_LI	Unicode
kayah_li	Unicode
KHAROSHTHI	Unicode
kharoshthi	Unicode
KHMER	Unicode
khmer	Unicode
KHMER_SYMBOLS	Unicode
khmer_symbols	Unicode
KHOJKI	Unicode
khojki	Unicode
KHUDAWADI	Unicode
khudawadi	Unicode
LAO	Unicode
lao	Unicode
LATIN	Unicode
latin	Unicode
LATIN_1_PUNCTUATION	Unicode
latin_1_punctuation	Unicode
LATIN_1_SUPPLEMENT	Unicode
latin_1_supplement	Unicode
LATIN_EXTENDED_A	Unicode
latin_extended_a	Unicode
LATIN_EXTENDED_ADDITIONAL	Unicode
latin_extended_additional	Unicode
LATIN_EXTENDED_B	Unicode
latin_extended_b	Unicode
LATIN_EXTENDED_C	Unicode
latin_extended_c	Unicode
LATIN_EXTENDED_D	Unicode
latin_extended_d	Unicode
LATIN_EXTENDED_E	Unicode
latin_extended_e	Unicode
LATIN_LIGATURES	Unicode
latin_ligatures	Unicode
lazy	repeated
LEPCHA	Unicode
lepcha	Unicode
LETTERLIKE_SYMBOLS	Unicode
letterlike_symbols	Unicode
LIMBU	Unicode
limbu	Unicode
LINEAR_A	Unicode
linear_a	Unicode
LINEAR_B_IDEOGRAMS	Unicode
linear_b_ideograms	Unicode
LINEAR_B_SYLLABARY	Unicode
linear_b_syllabary	Unicode
LISU	Unicode
lisu	Unicode
literal	literal
lookahead	lookahead
lookbehind	lookahead
LOWER	CharacterClasses
lower	ClassGroups
LYCIAN	Unicode
lycian	Unicode
LYDIAN	Unicode
lydian	Unicode
MAHAJANI	Unicode
mahajani	Unicode
MAHJONG_TILES	Unicode
mahjong_tiles	Unicode
MALAYALAM	Unicode
malayalam	Unicode
MANDAIC	Unicode
mandaic	Unicode
MANICHAEAN	Unicode
manichaean	Unicode
MATHEMATICAL_ALPHANUMERIC_SYMBOLS	Unicode
mathematical_alphanumeric_symbols	Unicode
MATH_ARROWS	Unicode
math_arrows	Unicode
MDY	DateTime
MEETEI_MAYEK	Unicode
meetei_mayek	Unicode
MEETEI_MAYEK_EXTENSIONS	Unicode
meetei_mayek_extensions	Unicode
MENDE_KIKAKUI	Unicode
mende_kikakui	Unicode
MEROITIC_CURSIVE	Unicode
meroitic_cursive	Unicode
MEROITIC_HIEROGLYPHS	Unicode
meroitic_hieroglyphs	Unicode
MIAO	Unicode
miao	Unicode
MINUTE	DateTime
MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A	Unicode
miscellaneous_mathematical_symbols_a	Unicode
MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B	Unicode
miscellaneous_mathematical_symbols_b	Unicode
MISCELLANEOUS_SYMBOLS_AND_PICTOGRAPHS	Unicode
miscellaneous_symbols_and_pictographs	Unicode
MISCELLANEOUS_TECHNICAL	Unicode
miscellaneous_technical	Unicode
MODI	Unicode
modi	Unicode
MODIFIER_TONE_LETTERS	Unicode
modifier_tone_letters	Unicode
MONGOLIAN	Unicode
mongolian	Unicode
MONTH	DateTime
MRO	Unicode
mro	Unicode
MS	DateTime
MUSICAL_SYMBOLS	Unicode
musical_symbols	Unicode
MYANMAR	Unicode
myanmar	Unicode
MYANMAR_EXTENDED_A	Unicode
myanmar_extended_a	Unicode
MYANMAR_EXTENDED_B	Unicode
myanmar_extended_b	Unicode
MYD	DateTime
NABATAEAN	Unicode
nabataean	Unicode
negated_char_class	char_class
negate_and_group	char_class
negative_lookahead	lookahead
negative_lookbehind	lookahead
NEW_TAI_LUE	Unicode
new_tai_lue	Unicode
NKO	Unicode
nko	Unicode
NOT_BOUNDARY	WordBoundaries
NOT_DGT	CharacterClasses
not_dgt	ClassGroups
NOT_SPC	CharacterClasses
not_spc	ClassGroups
NOT_WRD	CharacterClasses
not_wrd	ClassGroups
NUMBER_FORMS	Unicode
number_forms	Unicode
number_range	number_range
OGHAM	Unicode
ogham	Unicode
OLD_ITALIC	Unicode
old_italic	Unicode
OLD_NORTH_ARABIAN	Unicode
old_north_arabian	Unicode
OLD_PERMIC	Unicode
old_permic	Unicode
OLD_PERSIAN	Unicode
old_persian	Unicode
OLD_SOUTH_ARABIAN	Unicode
old_south_arabian	Unicode
OLD_TURKIC	Unicode
old_turkic	Unicode
OL_CHIKI	Unicode
ol_chiki	Unicode
one_or_more	repeated
OPEN_BRACE	SpecialCharacters
OPEN_BRACKET	SpecialCharacters
OPEN_PAREN	SpecialCharacters
OPTICAL_CHARACTER_RECOGNITION	Unicode
optical_character_recognition	Unicode
optional	repeated
or	or
or1	or
ORIYA	Unicode
oriya	Unicode
ORNAMENTAL_DINGBATS	Unicode
ornamental_dingbats	Unicode
OSMANYA	Unicode
osmanya	Unicode
PAHAWH_HMONG	Unicode
pahawh_hmong	Unicode
PAHLAVI_INSCRIPTIONAL	Unicode
pahlavi_inscriptional	Unicode
PAHLAVI_PSALTER	Unicode
pahlavi_psalter	Unicode
PALMYRENE	Unicode
palmyrene	Unicode
PAU_CIN_HAU	Unicode
pau_cin_hau	Unicode
perl_regex	regex
PHAGS_PA	Unicode
phags_pa	Unicode
PHAISTOS_DISC	Unicode
phaistos_disc	Unicode
PHOENICIAN	Unicode
phoenician	Unicode
PHONETIC_EXTENSIONS	Unicode
phonetic_extensions	Unicode
PHONETIC_EXTENSIONS_SUPPLEMENT	Unicode
phonetic_extensions_supplement	Unicode
PIPE	SpecialCharacters
PLAYING_CARDS	Unicode
playing_cards	Unicode
PLUS	SpecialCharacters
PRINT	CharacterClasses
print.regex	format.regex
printable	ClassGroups
PRIVATE_USE_AREA	Unicode
private_use_area	Unicode
PUNCT	CharacterClasses
punct	ClassGroups
QUESTION	SpecialCharacters
recursive	recursive
recycle	recycle
REF1	Backreferences
REF2	Backreferences
REF3	Backreferences
REF4	Backreferences
REF5	Backreferences
REF6	Backreferences
REF7	Backreferences
REF8	Backreferences
REF9	Backreferences
regex	regex
REJANG	Unicode
rejang	Unicode
repeated	repeated
repeat_in_class	repeat_in_class
ROMAN	CharacterClasses
roman	ClassGroups
RUMI_NUMERAL_SYMBOLS	Unicode
rumi_numeral_symbols	Unicode
RUNIC	Unicode
runic	Unicode
SAMARITAN	Unicode
samaritan	Unicode
SAURASHTRA	Unicode
saurashtra	Unicode
SECOND	DateTime
SHARADA	Unicode
sharada	Unicode
SHAVIAN	Unicode
shavian	Unicode
SHORTHAND_FORMAT_CONTROLS	Unicode
shorthand_format_controls	Unicode
SIDDHAM	Unicode
siddham	Unicode
SINHALA	Unicode
sinhala	Unicode
SINHALA_ARCHAIC_NUMBERS	Unicode
sinhala_archaic_numbers	Unicode
SMALL_FORM_VARIANTS	Unicode
small_form_variants	Unicode
SORA_SOMPENG	Unicode
sora_sompeng	Unicode
SPACE	CharacterClasses
space	ClassGroups
SPACING_MODIFIER_LETTERS	Unicode
spacing_modifier_letters	Unicode
SPC	CharacterClasses
spc	ClassGroups
SpecialCharacters	SpecialCharacters
SPECIALS	Unicode
specials	Unicode
STAR	SpecialCharacters
START	Anchors
SUNDANESE	Unicode
sundanese	Unicode
SUNDANESE_SUPPLEMENT	Unicode
sundanese_supplement	Unicode
SUPERSCRIPTS_AND_SUBSCRIPTS	Unicode
superscripts_and_subscripts	Unicode
SUPPLEMENTAL_ARROWS_A	Unicode
supplemental_arrows_a	Unicode
SUPPLEMENTAL_MATHEMATICAL_OPERATORS	Unicode
supplemental_mathematical_operators	Unicode
SUPPLEMENTAL_PUNCTUATION	Unicode
supplemental_punctuation	Unicode
SUPPLEMENTARY_PRIVATE_USE_AREA_A	Unicode
supplementary_private_use_area_a	Unicode
SUPPLEMENTARY_PRIVATE_USE_AREA_B	Unicode
supplementary_private_use_area_b	Unicode
SYLOTI_NAGRI	Unicode
syloti_nagri	Unicode
SYRIAC	Unicode
syriac	Unicode
TAGALOG	Unicode
tagalog	Unicode
TAGBANWA	Unicode
tagbanwa	Unicode
TAGS	Unicode
tags	Unicode
TAI_LE	Unicode
tai_le	Unicode
TAI_THAM	Unicode
tai_tham	Unicode
TAI_VIET	Unicode
tai_viet	Unicode
TAI_XUAN_JING_SYMBOLS	Unicode
tai_xuan_jing_symbols	Unicode
TAKRI	Unicode
takri	Unicode
TAMIL	Unicode
tamil	Unicode
TELUGU	Unicode
telugu	Unicode
THAANA	Unicode
thaana	Unicode
THAI	Unicode
thai	Unicode
TIBETAN	Unicode
tibetan	Unicode
TIFINAGH	Unicode
tifinagh	Unicode
TIMEZONE	DateTime
TIMEZONE_OFFSET	DateTime
TIRHUTA	Unicode
tirhuta	Unicode
token	capture
TRANSPORT_AND_MAP_SYMBOLS	Unicode
transport_and_map_symbols	Unicode
UGARITIC	Unicode
ugaritic	Unicode
Unicode	Unicode
UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS	Unicode
unified_canadian_aboriginal_syllabics	Unicode
UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS_EXTENDED	Unicode
unified_canadian_aboriginal_syllabics_extended	Unicode
UNMATCHABLE	CharacterClasses
UPPER	CharacterClasses
upper	ClassGroups
VAI	Unicode
vai	Unicode
VARIATION_SELECTORS	Unicode
variation_selectors	Unicode
VARIATION_SELECTORS_SUPPLEMENT	Unicode
variation_selectors_supplement	Unicode
VEDIC_EXTENSIONS	Unicode
vedic_extensions	Unicode
VERTICAL_FORMS	Unicode
vertical_forms	Unicode
WARANG_CITI	Unicode
warang_citi	Unicode
WEEKDAY0	DateTime
WEEKDAY1	DateTime
WEEK_OF_YEAR	DateTime
WordBoundaries	WordBoundaries
WRD	CharacterClasses
wrd	ClassGroups
YDM	DateTime
YEAR	DateTime
YEAR2	DateTime
YEAR4	DateTime
YIJING_HEXAGRAM_SYMBOLS	Unicode
yijing_hexagram_symbols	Unicode
YIJING_MONO_DI_AND_TRIGRAMS	Unicode
yijing_mono_di_and_trigrams	Unicode
YI_RADICALS	Unicode
yi_radicals	Unicode
YI_SYLLABLES	Unicode
yi_syllables	Unicode
YMD	DateTime
zero_or_more	repeated
